WhatsApp has introduced a new feature allowing users to store contacts directly within the app, enhancing accessibility across devices. This update means contacts are saved in cloud storage, ensuring they remain accessible even if the device is changed. The app also plans to implement usernames, enabling users to communicate without sharing phone numbers, enhancing privacy. This encrypted storage system, known as Identity Proof Linked Storage, secures contact information. The feature aims to streamline user experience by separating personal and business contacts more effectively.